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随着科学技术的不断发展，新的疫苗陆续被研制出来，除了前几期介绍的麻风腮联合疫苗、水痘疫苗、流行感冒疫苗和ｂ型流感嗜血杆菌疫苗外，还有肺炎疫苗、气管炎疫苗、甲肝疫苗．轮状病毒疫苗等儿童自愿自费疫苗。它们均不属于国家计划免疫之列，也不要求每个几童必须接种，家长可根据自己的经济实力和宝宝的生长情况来诀定是否接种。
With the continuous development of science and technology, new vaccines have been developed in succession. In addition to the vaccine against leprosy gingiva, chickenpox, influenza vaccine and Haemophilus influenzae type b introduced in previous periods, there are pneumonia vaccine, bronchitis Vaccine, hepatitis A vaccine. Rotavirus vaccines and other voluntary voluntarily children vaccines. They do not belong to the national plan of immunization, do not require each child must be vaccinated, parents according to their economic strength and the growth of the baby to decide whether to vaccinate.